$ git clone -n https://git.cclinux.org/stage/rpms/eigen3.git /var/lib/mock/dist-circle9-build-80352-24944/root/chroot_tmpdir/scmroot/eigen3
Cloning into '/var/lib/mock/dist-circle9-build-80352-24944/root/chroot_tmpdir/scmroot/eigen3'...
$ git reset --hard e8ce0f20e84ef06aaf3f0f20396f895e0d127166
HEAD is now at e8ce0f2 import eigen3-3.4.0-1.el9